(Pedro Portal/ The Miami Herald via AP). this March 10, 2018 photo shows an early morning view of the main span of the a pedestrian bridge that is being positioned to connect the City of Sweetwater, Fla., to Florida International University near Miami....

The deadly collapse of a pedestrian bridge in Florida has cast a spotlight on a rapid construction technique widely used around the U.S.More >

The deadly collapse of a pedestrian bridge in Florida has cast a spotlight on a rapid construction technique widely used around the U.S.More >

(AP Photo/Jennifer Kay). Six crosses are placed at a makeshift memorial on the Florida International University campus in Miami on Saturday, March 17, 2018, near the scene of a pedestrian bridge collapse that killed at least six people on March 15.

A grieving uncle is lashing out against what he called a "colossal failure" that allowed a partially completed pedestrian bridge to collapse and kill his niece along with five other people.